CN217415545U

CN217415545U - Children's safety seat head rest adjustment mechanism

Info

Publication number: CN217415545U
Application number: CN202221713828.8U
Authority: CN
Inventors: 童建波; 黄能强; 孙浩杰
Original assignee: Ningbo Guaiguaile Children's Products Co ltd
Current assignee: Ningbo Guaiguaile Children's Products Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-09-13
Anticipated expiration: 2032-07-05

Abstract

The utility model discloses a children's safety seat head rest adjustment mechanism, including the seat inner shell, the inner wall top fixedly connected with of seat inner shell keeps off position adjustment mechanism, sliding connection has adjusting pull rod on keeping off position adjustment mechanism, adjusting pull rod's bottom sliding connection has stop gear, keep off position adjustment mechanism's top fixedly connected with head rest handle, two spring holder stop holes have been seted up to the inner wall top of seat inner shell, the inner wall both sides fixedly connected with of seat inner shell keeps off the spacing hole with stop gear corresponding twelve, twelve keep off spacing hole and install the head cushion in the one side of keeping away from seat inner shell inner wall, the head cushion stacks up there are two vertical guide ways, the front mounted of head cushion has the head rest apron, two the equal fixedly connected with in the spacing hole top of twelve keep off the gear rack. The utility model discloses a design keeps off position adjustment mechanism and realizes that the one hand just can carry out height-adjusting, comparatively convenient laborsaving to the headrest.

Description

Children's safety seat head rest adjustment mechanism

Technical Field

The utility model relates to a children's seat technical field especially relates to a children's safety seat head rest adjustment mechanism.

Background

The child safety seat is specially designed for children with different weights (or ages) and restrains children in the safety seat, can effectively improve the riding safety of the children, and can be fixed at the bottom of the seat when sudden braking or starting and accelerating on an automobile so as to limit the influence of the children when the children cannot be subjected to external sudden movement.

In the child safety seat, the headrest cushion needs to be adjusted for comfort of a child, the existing child safety seat is labor-consuming to adjust the headrest cushion, and can be adjusted only by exerting force with both hands at times, so that the headrest cushion cannot be adjusted conveniently in time.

It is therefore desirable to provide a headrest adjustment mechanism for a child safety seat to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that current children's safety seat gets up when adjusting the head cushion and is harder, needs both hands hard sometimes just can adjust, and the headrest of degree that can not be timely convenient adjusts.

In order to solve the technical problem, the utility model discloses a technical scheme be: the headrest adjusting mechanism of the child safety seat comprises a seat inner shell, wherein a gear adjusting mechanism is fixedly connected to the top of the inner wall of the seat inner shell, and an adjusting pull rod is connected to the gear adjusting mechanism in a sliding mode;

the bottom of the adjusting pull rod is connected with a limiting mechanism in a sliding mode, the top of the gear adjusting mechanism is fixedly connected with a headrest handle, and a headrest cushion is arranged on one side, far away from the inner wall of the inner shell of the seat, of the headrest handle;

twelve gear limiting blocking holes corresponding to the limiting mechanisms are formed in two sides of the inner wall of the inner seat shell, a headrest cover plate is installed on one side, away from the inner wall of the inner seat shell, of the twelve gear limiting blocking holes, and two gear racks are fixedly connected above the twelve gear limiting blocking holes.

The utility model discloses further set up to: keep off position adjustment mechanism and include keeping off the position base, keep off the back-mounted of position base and have the mechanism apron, keep off the inside both sides of position base and all install a fender position pedestal, two the equal fixedly connected with head rest in bottom that keeps off the position pedestal keeps off the position axle, the internally mounted who keeps off the position base has spring fixing base 310, two clamp plate springs are equipped with between spring fixing base and the head rest apron, there are two bellied bosss on the spring fixing base.

Through above-mentioned technical scheme, keep off the position pedestal and can promote the head rest and keep off the position axle, keep off the position axle with the head rest and adjust the height back, can pass through spacing spring to the reseing of fender position pedestal.

The utility model discloses further set up to: and through holes which are formed by a semicircle and a rectangle corresponding to the headrest gear shaft are formed in the two sides of the gear base and the two gear shaft brackets.

Through above-mentioned technical scheme, be convenient for place and keep off the position pedestal and can promote to keep off the position pedestal and move simultaneously.

The utility model discloses further set up to: two keep off the position pedestal and have the cylinder slider in the one side that is close to the clamp plate spring, and the both sides of adjusting the pull rod are seted up the V type recess corresponding with the slider.

Through the technical scheme, the headrest handle is pulled to enable the adjusting pull rod to move upwards, the sliding blocks on the gear shaft frame slide in the V-shaped grooves on two sides of the adjusting pull rod to further push the gear shaft frame, and meanwhile, the gear shaft frame can push the headrest gear shaft to enable the headrest gear shaft to be separated from the concave part of the gear rack to drive the headrest gear shaft to move upwards.

The utility model discloses further set up to: the limiting mechanism comprises two limiting springs, the bottoms of the two limiting springs are clamped on the cross spring columns on the headrest cushion, and the bottom of the adjusting pull rod is connected with a limiting rod.

Through above-mentioned technical scheme, make the gag lever post draw close to the centre at the pulling adjusting rod, spacing spring can be compressed, and adjusting rod drives the gag lever post and rises the back, and after the gag lever post reachd the spacing hole of keeping off of twelve stops one hole again, loosen adjusting rod, spacing spring can be with gag lever post pulling downwards, and the gag lever post stretches out to both sides along the rectangle through-hole on the adjusting rod simultaneously.

The utility model discloses further set up to: the limiting rod is fixedly connected with a sliding block at one side close to the adjusting pull rod, and a rectangular through hole corresponding to the sliding block is formed in the bottom of the adjusting pull rod.

Through above-mentioned technical scheme, the pulling adjusting rod can make the slider remove in the rectangle through-hole, and the gag lever post can draw close to the centre simultaneously to make the gag lever post extract from the hole that the twelve keep off spacing fender holes.

The utility model discloses further set up to: the inner side of the adjusting pull rod is fixedly connected with a headrest cushion at the top of the limiting spring.

Through above-mentioned technical scheme headrest pad can play fixed effect to spacing spring when pulling adjusting pull rod, the realization that makes spacing spring can be normal is to the reseing of gag lever post.

The beneficial effects of the utility model are as follows:

1. the utility model discloses a design keeps off position adjustment mechanism, drives the adjusting handle through pulling the head rest handle, and then makes two fender position pedestal compression springs begin to promote the head rest and keep off the position axle and leave the fender position rack to upwards adjust, realized the adjustment of one hand butt cushion, it is comparatively convenient laborsaving;

2. by designing the limiting mechanism, when the headrest handle is pulled to drive the adjusting pull rod, the two limiting rods can move along the inclined through holes, and the two limiting rods can also contract towards the middle when the limiting spring is compressed;

3. the utility model discloses a design V type recess and bottom set up the through-hole of two slopes on adjusting the pull rod and realize the control to keeping off position adjustment mechanism and stop gear.

Drawings

Fig. 1 is a first view structural diagram of the present invention;

FIG. 2 is a view showing the internal structure of the apparatus of the present invention;

fig. 3 is a third view structural diagram of the present invention;

FIG. 4 is a structural view of the inner engaging plate of the present invention;

FIG. 5 is a structural view of a spacing mechanism of the present invention;

FIG. 6 is a structural diagram of a gear adjusting mechanism of the present invention;

FIG. 7 is a block diagram of the gear shaft bracket of the present invention;

FIG. 8 is an exploded view of the gear adjustment mechanism of the present invention;

fig. 9 is a structure view of the stop hole of the spring seat of the present invention.

In the figure: 1. a seat inner shell; 2. a headrest pad; 3. a gear adjusting mechanism; 301. a gear base; 302. a mechanism cover plate; 303. a gear shaft bracket; 304. a headrest stop shaft; 305. a pressure plate spring; 306. a square hole; 307. a gear rack hole; 308. a cylindrical slider; 309. a boss; 310. a spring fixing seat; 4. adjusting the pull rod; 5. a limiting mechanism; 501. a limiting spring; 502. a long limiting rod; 6. a headrest handle; 7. twelve-gear limit stop holes; 8. a headrest cover plate; 9. a gear rack; 10. a spring seat stop hole; 11. a vertical guide groove; 12. a V-shaped groove; 13. a limiting rod guide groove; 14. and limiting the guide post.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1-8, a headrest adjusting mechanism of a child safety seat comprises a seat inner shell 1, a gear adjusting mechanism 3 is connected to the top of the inner wall of the seat inner shell 1, the gear adjusting mechanism 3 includes a gear base 301, a mechanism cover plate 302 is installed behind the gear base 301, gear shaft brackets 303 are installed on both sides inside the gear base 301, headrest gear shafts 304 are fixedly connected to the bottoms of the two gear shaft brackets 303, a spring fixing seat 310 is installed inside the gear base 301, two pressure plate springs 305 are installed between the spring fixing seat 310 and the headrest cover plate 8, two raised bosses 309 are provided on the spring fixing seat 310, the bosses 309 pass through two square holes 306 in the middle of the rear of the gear base 301 under the action of the two pressure plate springs 305 and are tightly attached to the seat inner shell 1, gear frame holes 307 corresponding to the two gear shaft brackets 303 are provided on both sides of the gear base 301, a semicircle and a rectangular through hole corresponding to the headrest gear shaft 304 are formed in each of the two gear shaft brackets 303, so that the headrest gear shaft 304 can be conveniently placed, and meanwhile, the gear shaft brackets 303 can be pushed to move, a cylindrical sliding block 308 is arranged on one side, close to the pressure plate spring 305, of each of the two gear shaft brackets 303, V-shaped grooves corresponding to the sliding blocks are formed in two sides of the adjusting pull rod 4, the headrest pull handle 6 is pulled to enable the adjusting pull rod 4 to move upwards, so that the sliding blocks on the gear shaft brackets 303 slide from a position A to a position B in the V-shaped grooves on two sides of the adjusting pull rod 4, the gear shaft brackets 303 are further pushed, meanwhile, the gear shaft brackets 303 can push the headrest gear shaft 304 to leave the concave parts of the gear racks 9, the headrest gear shaft 304 is driven to move upwards, and the adjusting pull rod 4 is connected to the gear adjusting mechanism 3 in a sliding manner;

as shown in fig. 2 and 6, the bottom of the adjusting pull rod 4 is slidably connected with a limiting mechanism 5, the limiting mechanism 5 includes two limiting springs 501, the bottoms of the two limiting springs 501 are fixedly connected to ribs of the adjusting pull rod 4 that are adjacent to the limiting rod guide grooves 13, two limiting rod guide grooves 13 of the bottom of the adjusting pull rod 4 that are at about 30 degrees to the vertical direction are fixedly connected with limiting rods 502, when the adjusting pull rod 4 is pulled, the two limiting guide posts 14 on the adjusting pull rod 4 vertically slide on the two guide grooves of the headrest cushion 2, the vertical direction is limited, the limiting rods 502 are drawn close to the middle, the limiting springs 501 are compressed, after the adjusting pull rod 4 drives the limiting rods 502 to rise, and after the limiting rods 502 reach the next hole on the twelve-gear limiting stop hole 7 again, the limiting rods 502 are pulled downwards by the limiting springs 501, and simultaneously the limiting rods 502 extend out to both sides along the rectangular through holes on the adjusting pull rod 4, the limiting rod 502 is fixedly connected with a sliding block at one side close to the adjusting pull rod 4, the bottom of the adjusting pull rod 4 is provided with a rectangular through hole corresponding to the sliding block, the sliding block can move in the rectangular through hole by pulling the adjusting pull rod 4, meanwhile, the limiting rod 502 can be drawn close to the middle, the limiting rod 502 is pulled out of the hole of the twelve-gear limiting stop hole 7, the headrest cushion 2 is fixedly connected to the inner side of the adjusting pull rod 4 at the top of the limiting spring 501, the headrest cushion 2 can play a role in fixing the limiting spring 501 when the adjusting pull rod 4 is pulled, the limiting spring 501 can normally reset the limiting rod 502, the cylindrical sliding block 308 on the gear shaft frame 303 also resets from the position B to the position A under the action of the limiting spring 501, the headrest handle 6 is fixedly connected to the top of the gear adjusting mechanism 3, and the headrest cushion 2 is installed on one side, away from the inner wall of the seat inner shell 1, of the headrest handle 6;

as shown in fig. 1-4, twelve-gear limiting blocking holes 7 corresponding to the limiting mechanism 5 are formed in two sides of the inner wall of the inner seat shell 1, a headrest cushion 2 is mounted at one side, away from the inner wall of the inner seat shell 1, of each twelve-gear limiting blocking hole 7, a headrest cover plate 8 is mounted in front of the headrest cushion 2, and gear racks 9 are fixedly connected above the two twelve-gear limiting blocking holes 7.

When the utility model is used, only the headrest handle 6 needs to be pulled to enable the adjusting pull rod 4 to move upwards, the sliding blocks on the gear shaft bracket 303 slide from the position A to the position B in the V-shaped grooves 11 at the two sides of the adjusting pull rod 4 to further push the gear shaft bracket 303, meanwhile, the gear shaft bracket 303 can push the headrest stop shaft 304 to make the headrest stop shaft 304 leave the concave part of the gear rack 9, the headrest stop shaft 304 is driven to move upwards until the headrest stop shaft 304 is pushed to the concave part of the upper gear rack 9, meanwhile, when the adjusting pull rod 4 moves upwards, the adjusting pull rod 4 can enable the sliding blocks on the limiting long rod 502 to move in the rectangular through hole and compress the limiting spring 501, further, the limiting long rod 502 can approach towards the middle, so that the limiting long rod 502 is pulled out from the hole of the twelve-gear limiting stop hole 7 and then to the next hole, the headrest pull rod 6 is loosened, the limiting spring 501 can enable the limiting rod 502 to bounce downwards, and then the spacing rod 502 extends to both sides under the action of the inclined groove to realize the reset of the spacing rod 502, at the same time, the cylindrical sliding block 308 on the gear shaft bracket 303 is reset under the action of the spacing spring 501, when the headrest handle 6 is pulled until two raised bosses 309 on the spring fixing seat 310 are clamped on the inner wall of the seat inner shell 1 and two spring seat stop holes 10 are arranged, the headrest handle 6 is continuously pulled, so that the cylindrical sliding block 308 on the gear shaft bracket 303 slides from the position B to the position C in the V-shaped groove 11, at the same time, the headrest stop shaft 304 is not moved, when the adjusting pull rod 4 moves upwards, the adjusting pull rod 4 can enable the sliding block on the spacing long rod 502 to move in the rectangular through hole and compress the spacing spring 501, and the spacing long rod 502 can approach to the middle, so that the spacing long rod 502 is pulled out from the hole of the twelve spacing stop holes 7 and then is loosened in the next hole, the headrest handle 6 is loosened, the limiting spring 501 can enable the limiting rod 502 to bounce downwards, so that the limiting rod 502 extends towards two sides under the action of the inclined groove to reset the limiting rod 502, and the headrest can be adjusted in the distance from the position C to the position D.

The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.

Claims

1. The utility model provides a children's safety seat headrest adjustment mechanism, includes seat inner shell (1), its characterized in that: the top of the inner wall of the seat inner shell (1) is fixedly connected with a gear adjusting mechanism (3), and the gear adjusting mechanism (3) is connected with an adjusting pull rod (4) in a sliding manner;

the bottom of the adjusting pull rod (4) is connected with a limiting mechanism (5) in a sliding mode, the top of the gear adjusting mechanism (3) is fixedly connected with a headrest handle (6), two spring seat stop holes (10) are formed in the upper portion of the inner wall of the seat inner shell (1), and twelve gear limiting stop holes (7) corresponding to the limiting mechanism (5) are fixedly connected to two sides of the inner wall of the seat inner shell (1);

twelve keep off spacing hole (7) and install headrest pad (2) in the one side of keeping away from seat inner shell (1) inner wall, there are two vertical guide way (11) on headrest pad (2), the front-mounted of headrest pad (2) has headrest apron (8), two twelve keep off the equal fixedly connected with in spacing hole (7) top and keep off gear rack (9), V type recess (12) have been seted up to the both sides of adjusting pull rod (4), the bottom of adjusting pull rod (4) has two and vertical direction to become gag lever post guide way (13) about 30 degrees, two gag lever post guide way (13) top respectively has two spacing guide post (14).

2. A child safety seat headrest adjustment mechanism according to claim 1, wherein: the gear adjusting mechanism (3) comprises a gear base (301), two square holes (306) are formed in the middle of the rear face of the gear base (301), keep off position base (301) each division of both sides at the back and have a fender position frame hole (307), keep off position base (301) inside both sides and all install fender position pedestal (303), two keep off position pedestal (303) bottom and install mechanism apron (302), two the equal fixedly connected with head rest in bottom of fender position pedestal (303) keeps off position axle (304), two keep off position pedestal (303) and have a bellied cylinder slider (308) in the one side that is close to clamp plate spring (305), the internally mounted of fender position base (301) has spring fixing base (310), be equipped with two clamp plate spring (305) between spring fixing base (310) and headrest apron (8), there are two bellied bosss (309) on spring fixing base (310).

3. A child safety seat headrest adjustment mechanism according to claim 2, wherein: the two sides of the gear base (301) and the two gear shaft frames (303) are provided with through holes which are formed by a semicircle and a rectangle corresponding to the headrest gear shaft (304).

4. A child safety seat headrest adjustment mechanism according to claim 1, wherein: stop gear (5) include two spacing springs (501), two spacing spring (501) card is close to between the bellied rib of gag lever post guide way (13) on cross spring post and adjusting tension rod (4) on headrest pad (2), two spacing stock (502) are all installed to the bottom of spacing spring (501).

5. A child safety seat headrest adjustment mechanism according to claim 4, wherein: the limiting long rod (502) is fixedly connected with a sliding block at one side close to the adjusting pull rod (4).

6. A child safety seat headrest adjustment mechanism according to claim 4, wherein: the inner side of the adjusting pull rod (4) is provided with a raised rib at the top of the limiting spring (501) for clamping the limiting spring (501).